Pith Number

pith:OQNIWFPE

pith:2011:OQNIWFPEXKNLIDZZD4KWWTWB6M

not attested not anchored not stored refs pending

Effect of Fourier filters in removing periodic systematic effects from CMB data

A. Mennella, A. Zacchei, B. Cappellini, D. Maino, F. De Gasperin, G. Morgante, L. Terenzi, M. Bersanelli, M. Tomasi, N. Mandolesi, S. Galeotta

arxiv:1103.1874 v2 · 2011-03-09 · astro-ph.CO · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQNIWFPEXKNLIDZZD4KWWTWB6M}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:02:55.535010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741a8b15e4ba9ab40f391f156b4ec1f316819ecce8cdb86adb8140f8b52bd1b9

Aliases

arxiv: 1103.1874 · arxiv_version: 1103.1874v2 · doi: 10.48550/arxiv.1103.1874 · pith_short_12: OQNIWFPEXKNL · pith_short_16: OQNIWFPEXKNLIDZZ · pith_short_8: OQNIWFPE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OQNIWFPEXKNLIDZZD4KWWTWB6M \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 741a8b15e4ba9ab40f391f156b4ec1f316819ecce8cdb86adb8140f8b52bd1b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd0764c4a115346708d5cdc811c6354c29081734250496a0ffdc1479c802a59",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-09T21:00:01Z",
    "title_canon_sha256": "4547d9510441337927214fc5682de16fb9b28c2b379d80dd3646c8e91196279c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1874",
    "kind": "arxiv",
    "version": 2
  }
}